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Hybrid between PV and Generator with battery is one common technology that has been used in the world due to meet the system with the presence of renewable energy. These systems are typically used in isolated area or areas away from the grid. In this paper the hybrid PV-Generator with battery power plant will be designed for Aha Village in Morotai Island which is one island in Indonesia that located...
In this paper, multi-agent architecture was used to provide control for standalone microgrid with distributed generations. Therefore, to achieve a faster control compared to the centralized controller, each agent incorporated with a local prediction or forecasting model to provide anticipatory responses. To accomplish their common goals successfully, the agents cooperated based on facilitator architecture...
Energy from Waste (EfW) should be taken account as an alternative renewable resource for local energy generation in microgrids. This study theoretically demonstrates benefits of EfW plants for microgrids. Power flow simulation results were shown for a scenario of town grid with the population size of 115000. IEEE 9 Bus system is used to model distribution system of this town. 5 MW Energy from Waste...
Due to existing conflicts or natural disasters in many different parts of the world, refugee camps are established by different aid organizations in order to provide local humanitarian assistance. Nowadays, these camps are electrically supplied using diesel generators, which are not environmentally friendly and require huge amounts of not easily available fossil fuels. In this sense, Microgrids (MGs)...
This paper presents the reliability evaluation of microgrids with distributed generation based on renewable energy sources and storage systems. A hybrid model that combines the analytical approach with state sampling is used in order to consider the intermittence of renewable sources, like wind, solar and small hydro power plants. Batteries are used to reduce the supply intermittence of both the solar...
Energy shortage is one of the major impediments to social, industrial and economic growths in developing countries. For instance, only about 40% of Nigeria's population (about 170 million) has access to electricity. Due to this, petrol/diesel generators are used for electricity generation in various sectors of the country, which are not eco-friendly. Though developing countries are thought to emit...
The paper highlights the main characteristics of Virtual Power Plants (VPP). A Virtual Power Plant is a cluster of distributed generation units (such as photovoltaic power plants, wind turbines or small hydro) and any other sources of power that can cooperate together in the local area, and are controlled by a central control entity. An analysis of a VPP that is used to cover the load is performed...
In the case of ensuring the reliability of power supply, in order to improve the economy of the distributed generation systems, it should be based on different resource conditions to optimize the design of the system. This paper constructs the distributed power generation system structure of multiple distributed power supply. The main factors affecting the optimal design are discussed qualitatively...
This paper presents the development of a control scheme for grid tied inverters of renewable energy sources (RES). Hysteresis Current Control (HCC) is carried out in this work. The paper presents results of computer simulation as well as laboratory prototype developed. The experimental results using the hardware developed, proves the simplicity and reliability of the control scheme. Active power transfer...
Microgrids are receiving tremendous attention due to increasing need to integrate Distributed Generations (DG) and to provide reliable power to critical loads. Proper power management in microgrid is required to regulate the system voltage and frequency, maintain power quality, and manage DGs. A microgrid system has been studied in this paper, which includes two natural gas generators, an energy storage...
This work analyzes the impact produced by the incorporation of renewable energies generation in a hybrid model in rural residential areas in Colombia. It also proposes a simple approach that allows the selection of generators of the most convenient size, based on the weather conditions of the region. An example of application is presented and the results show that an efficient contribution of renewable...
Use of modern energy, like electricity, is a key factor to economic development, poverty reduction, improved health and cleaner environment for a society. Moreover, if the electricity is generated with Renewable Energy (RE) resources the benefit will be profound. Unlike the developed countries though, developing countries have little access to electricity. The African continent for example covers...
The introduction of demand response concept, in addition to increment of penetration of distributed generation (DG) based on renewable energies, make opportunities for the novel control schemes to be integrated in power system on a smart grid framework. Voltage control methods in power systems needs proper coordination among reactive power resources and conventional volt/var control equipments. In...
For both offline planning and online operation of smart grids, the distribution system operator (DSO) and/or the aggregator will be faced with the challenge of dispatching a large number of controllable resources of different types i.e. intermittent renewable energy supplies (RES), dispatchable micro sources, storage units and demand side management loads. This paper presents a grid and a market agent...
This paper presents analysis of electricity generation using stand-alone hybrid renewable energy resources for typical household in remote area situated in the eastern Indonesia. In the previous study, the optimum sizing problem is solved with PV/battery/wind-hybrid system without any generator addition. In this study, gasoline generator is added as a non-renewable resource option for 3 hybrid system...
Growing depletion of natural resources and the Kyoto Protocol have aroused global attention to renewable energies. In Taiwan, the goal of real power generation from renewable energies is 4% of total generation in 2012 and 18% in 2020. Although renewable energies can mitigate the green gas effect, penetration of these distributed generations may change the operation scheme in the utility. One of the...
Microgrids have been proposed in order to handle the impacts of Distributed Generators (DGs) and make conventional grids suitable for large scale deployments of distributed generation. However, the introduction of microgrids brings some challenges. Protection of a microgrid and its entities is one of them. Due to the existence of generators at all levels of the distribution system and two distinct...
A trend away from large conventional electrical power generation stations such as hydro, coal-fired, and nuclear toward smaller Distributed Generation (DG) has both benefits and complications. While DG can capitalize on renewable energy and can reduce transmission losses by being closer to local loads, the intermittent availability of some power sources coupled with the current lack of a “smart grid”...
Distributed generation (DG) systems have many impacts on the power network. Previously, the power was supplied from the centralized generating unit and then dispatched to the loads, but today DG systems provide electrical power at the customers' sites and slightly decline the losses due to either transmission or distribution of the electricity. Furthermore, DG systems are able to reduce the emission...
Economic, technology and environmental incentives are changing the features of electricity generation and transmission. Centralized power systems are giving way to local scale distributed generations. At present, there is a need to assess the effects of large numbers of distributed generators and short-term storage in Microgrid. To accommodate the high demand of renewable energy and the environment...
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